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Reset ICs

PST122A

Overview

This IC is a 40V withstand voltage 2ch voltage detection IC that is ideal for monitoring the voltage of car batteries.
The voltage detection accuracy is ± 2% including temperature fluctuation, and the output form is Nch open drain output.
The current consumption is 2.7 μA (typ.), And the operating temperature range is -40 to 105 ° C.

Application

・Voltage monitor for car battery
・Voltage monitor for AC / DC converter output voltage

Features

High withstand voltage, High accuracy detection, Low current consumption,
Hysteresis voltage selectable (0.1V to 4.0V)

Main specifications

Absolute maximum
rating
[V]
Recommended
operating voltage
Min.
[V]
Recommended
operating voltage
Max.
[V]
Detection voltage
Min.
[V]
Detection voltage
Max.
[V]
Detection voltage accuracy
[%]
Consumption current
[μA]
Output type Output Logic Separated sense pin Manual reset Circuit structure Operating Ambient Temperature
Min.
[deg.C]
Operating Ambient Temperature
Max.
[deg.C]
Hysteresis voltage
Typ.
[V]
Additional function
40.0 2.70 20.00 5.0 10.0 ±2 2.70 Open drain ch1:Active L
ch2:Active L
Yes No 2ch Reset -40 105 0.1~4.0 Separated Sense pin
Absolute maximum
rating
[V]
Recommended
operating voltage
Min.
[V]
Recommended
operating voltage
Max.
[V]
Detection voltage
Min.
[V]
Detection voltage
Max.
[V]
Detection voltage accuracy
[%]
Consumption current
[μA]
40.0 2.70 20.00 5.0 10.0 ±2 2.70
Output type Output Logic Separated sense pin Manual reset Circuit structure
Open drain ch1:Active L
ch2:Active L
Yes No 2ch Reset
Operating Ambient Temperature
Min.
[deg.C]
Operating Ambient Temperature
Max.
[deg.C]
Hysteresis voltage
Typ.
[V]
-40 105 0.1~4.0
Additional function
Separated Sense pin

Package

Download

Associated Data

Engineering Information

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